Question

Find the function (f ᴏ g) and the domain for f(x)= x^2, g(x)= square root of quantity (x-3)

Answer 1

f(g) is just (g(x))^2 because you plug the function g(x) into the x values of the function f(x)

Answer 2

would the domain be all real numbers or [3,infinity] ?

Answer 3

you cant get the square root of a negative number

Answer 4

thx